diff --git a/copier/settings.py b/copier/settings.py
index 30b0fa3..ed3d0a0 100644
--- a/copier/settings.py
+++ b/copier/settings.py
@@ -12,8 +12,8 @@ import yaml
 from platformdirs import user_config_path
 from pydantic import BaseModel, Field
 
+from ._tools import OS
 from .errors import MissingSettingsWarning
-from .tools import OS
 
 ENV_VAR = "COPIER_SETTINGS_PATH"